So after updating my bios from 0504 to 1106 my pc just wont boot up. When trying to boot, i get the message saying BOOTMGR is missing, press ctrl+alt+del to restart. I have access to bios, but thats just as far as it goes. When googeling i found that...

Asus ROG Hero VIIIntel i7 4790K @ 4GhzAsus GTX 780 Corsair RM750NZXT H440 Black16GB G.SkillKingston SSD 120GB SSDNOW 300Seagate Barracuda 2TBAsus external DVD-RW ReaderHi!I am having some problems with installing Windows 7 ultimate 64bit on my newly...